Trumpetweed
Eutrochium fistulosum
- Native to:
- Canada, United States
iNaturalist: © bjkauffman (iNaturalist #10976723)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Eutrochium
- Species:
- Eutrochium fistulosum
- USDA Symbol:
- EUFI14
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- pink, purple, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Three-lined Flower Moth (Schinia trifascia)
Reported Fauna Sightings
Bees: Common eastern bumble bee (Bombus impatiens) Butterflies:Eastern Tiger Swallowtail (Papilio glaucus), Spicebush Swallowtail (Papilio troilus)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees, birds
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from crown after fire; historically associated with fire-maintained meadows and open wetlands.
Soil Requirements
- Soil Type:
- rich, moist, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds are placed into cold stratification. Germination occurs at 30/15 C temperature cycle. Germination is greater in light than dark.
Source: npn.rngr.net